LINE completed its merger with Yahoo! Japan owner Z Holdings last month, and now the two firm’s venture capital arms have also combined. Z Holdings announced today that its subsidiary, YJ Capital, has merged with LINE Ventures to form Z Venture Capital. The new firm also announced the launch of a 30 billion JPY (about $271 million USD) fund, which it claims makes it one of the largest corporate venture capital funds in Japan. The fund will look in Japan, as well as global markets like South Korea, the United…